APA Citation

Palmer, A. (1982). The Penguin Dictionary of Twentieth Century History 1900-1978. Penguin Books.

Chicago Style Citation

Palmer, Alan. The Penguin Dictionary of Twentieth Century History 1900-1978. Penguin Books, 1982.

MLA Citation

Palmer, Alan. The Penguin Dictionary of Twentieth Century History 1900-1978. Penguin Books, 1982.